kejun dong, yihua zheng @ cnic elaine liu, jurgen schulze @ ucsd cnic tiled display wall and...
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Kejun Dong, Yihua Zheng @ CNICElaine Liu, Jurgen Schulze @ UCSD
CNIC Tiled Display Wall and Astronomical Data Visualization
PRAGMA11 Workshop PRAGMA11 Workshop Oct.16/17 Osaka, JapanOct.16/17 Osaka, Japan
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Outline
• CNIC Tiled Display Wall• Astronomical Data Visualization
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Tiled Display Wall @ CNIC
• A Tiled Display Wall (TDW) is a large-scale high-resolution display
• CNIC’s TDW is setup at 2005, supporting by Chinese Academy of Science.
• Uses a five by four grid of LCDs and 21-nodes cluster running Rocks (with CentOS installed).
• 1Gigabit network for each node.
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LCD grid
• ViewSonic 17’ LCDs
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1+20 Cluster
• IBM xSeries 226 Server– Xeon2.8GHz– 1G Memory (frontend 3G)– Dual Gigabit Network– 73G SCSI Harddisk– Nvidia 128M Video adapter
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Visualization Software Package
• Rocks Viz Roll – SDSC
• SAGE - EVL/UIC
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Rocks Viz Roll
• DMX - Distributed Multihead Xhttp://dmx.sourceforge.net/
• Key Soft :– Xdmx:a proxy X server that provides a multi-head s
upport for multiple displays attached to different machines.
– Chromium:a system for interactive rendering on clusters of graphics workstations
– Cg:nVidia Toolkit
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Applications Based on Rocks Viz
• OpenGL App– QMView– PyMol– VMD– ParaView
• Image Viewer (not very well)– xnview, gthumb, ImageMagic
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PyMol
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xnview
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SAGE
• Scalable Adaptive Graphics Environment • SAGE is a graphics streaming architecture for s
upporting collaborative scientific visualization environments with potentially hundreds of megapixels of contiguous display resolution.
• Key Soft– QUANTA, Readline, SDL, GLUT– SAGE/Sage UI
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Applications Based on SAGE
• Image Viewer– JuxtaView, imageviewer(10kx10k), Magic Carpet
• OpenGL– Qmview
• Video Viewer– MPlayer
• Collaboration– VNCViewer
• Others– Rasmol, lambdaCam
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JuxtaView
633M
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OpenGL App
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Others
MPlayer
VNC
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Astronomical Data Visualization
• A PRIME 2006 Project– 2006.6-8– Supported by NSF– Using CalIT2 TDW and CNIC’s TDW– Finished by Elaine Liu (UCSD) at CNIC
• To remotely visualize high resolution astronomical images on UC San Diego’s tile display wall while controlling at CNIC and to gain more knowledge about astronomy.
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Software & Data
• Software– SAGE– JuxtaView Server– JuxtaSCUI/SAGE UI
• Astronomical Data– SDSS– DSS– Data from NASA
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Data Processing
• FITS Images• JPG Images
• TIFF Images (continuous Images)
ImageMagic/PhotoshopImageMagic/Photoshop
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Image made from stitching up 16 smaller images together
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CNIC’s TDW using SAGEUI
Monitoring CalIT2 TDW with LambdaCam
CalIT2 TDW with LambdaCam
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Next in Astro Visualization…
• Fits data remote display• Arranging images automatically and
Stitching them up
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Acknowledgement
• Mr. Raj Singh @ EVL/SAGE• Mr. Nicholas Schwarz @ EVL/SAGE• Mr. Andy Connolly @ NASA• Mr. Mason Katz @ SDSC• Ms. Dan Wang @ NAOC• Dr. Chenzhou Cui @ NAOC
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Thank you for your attention!